{
 "public_id": "AIR-2025-0055",
 "incident_id": "2025-07-google-gemini-gmail-summary-phishing",
 "date_disclosed": "2025-07-10",
 "date_occurred": null,
 "title": "Phishing for Gemini: hidden admin directives hijack Gmail AI summaries in Google Workspace",
 "class": "responsible_disclosure",
 "attack_surface": "enterprise_assistant",
 "initial_vector": "indirect_prompt_injection_email",
 "agent_capability_abused": [
  "email_summarization",
  "auto_context_ingestion"
 ],
 "target_product": "Google Gemini for Workspace (Gmail summaries)",
 "target_vendor": "Google",
 "autonomy_level": "assistant",
 "impact_realized": false,
 "impact_type": [
  "phishing",
  "social_engineering"
 ],
 "blast_radius": "any Gmail/Workspace user clicking 'Summarize this email'",
 "cve": [],
 "taxonomy": {
  "owasp_asi": [
   "ASI01",
   "ASI09"
  ],
  "mitre_atlas": [],
  "labels": [
   "indirect_prompt_injection",
   "invisible_text",
   "zero_font",
   "trusted_ui_abuse"
  ]
 },
 "defense_present": "Google's 2024-era indirect prompt injection mitigations",
 "defense_bypassed": true,
 "fix_shipped": "Google said it was deploying updated safeguards; 0DIN noted the technique remained viable at publication",
 "primary_sources": [
  "https://0din.ai/blog/phishing-for-gemini"
 ],
 "verified_quote": "Gemini treats a hidden <Admin> … </Admin> directive as a higher-priority prompt and reproduces the attacker's text verbatim.",
 "confidence": "high",
 "notes": "Submitted to Mozilla's 0DIN GenAI bug bounty (submission 0xE24D9E6B); write-up by Marco Figueroa. Payload hidden with font-size:0 / white text. Impact is a Google-branded fake security alert appearing inside the AI summary; no tool call or data egress, but it is an assistant-mediated action on untrusted content.",
 "risk_category": "security_fraud",
 "risk_secondary": [],
 "risk_subcategory": "Prompt Injection",
 "risk_sub_secondary": [],
 "risk_override_reason": "hidden directives turned the assistant's trusted summary into the phishing delivery channel",
 "ai_entity": "generative",
 "agency": "human_acted_on_output",
 "agency_debatable": true,
 "agency_reason": "Gemini rendered a fake alert in the summary; the user still had to act on it",
 "vector_family": "indirect_prompt_injection",
 "vector_detail": "indirect_prompt_injection_email",
 "guardrail_kind": [
  "unknown"
 ],
 "guardrail_outcome": "silent",
 "xrefs": {
  "aiid": [],
  "atlas": [],
  "cve": [],
  "ghsa": []
 },
 "primary_asi": "ASI01",
 "agent_framework": "google_gemini_workspace",
 "model_provider": "google",
 "model_name": "",
 "detection_mechanism": "unknown",
 "tool_access": "unknown",
 "financial_loss_band": "unknown",
 "eai_category": "human_manipulation",
 "eai_domain": "agent_behaviour",
 "eai_secondary": [
  "confused_deputy"
 ],
 "eai_reason": "impact rule: human_manipulation",
 "asi_curated": [
  "ASI01"
 ],
 "asi_scope": "in_scope",
 "asi_provenance": "curated_plus_rule",
 "asi_reason": "curated: ASI01 | added ASI09 (eai_category=human_manipulation)",
 "submitted_by": "EAI Internal"
}